Front view of Western Digital Ultrastar Data Center SATA hard drive showing product branding and design

8TB Enterprise Storage Powerhouse with Advanced Reliability

The Ultrastar DC HC320 combines massive 8TB capacity with enterprise-grade engineering for demanding data center environments. Featuring HelioSeal technology and advanced vibration protection, this drive delivers exceptional reliability while maintaining optimal performance under intensive workloads. The 7200 RPM spindle speed and 128MB cache ensure quick data access and transfer speeds.

Technical Specifications

  • 7200 RPM spindle speed for enterprise-class performance
  • 128MB cache buffer for optimized data throughput
  • SATA 6Gb/s interface for reliable connectivity

Applications

  • High-volume data center storage deployments
  • Mission-critical enterprise applications
  • Large-scale cloud infrastructure
Angled perspective of Ultrastar Data Center drive highlighting SATA interface and robust construction

Engineered for 24/7 Data Center Operations

The DC HC320's robust construction features enhanced rotational vibration safeguards and dual-stage actuator technology for precise head positioning. The drive's architecture is optimized for continuous operation in multi-drive environments, delivering consistent performance even under heavy workloads. With a 550TB per year workload rating, it's built to handle the demands of enterprise computing.

Technical Specifications

  • Enhanced Rotational Vibration Safeguard technology
  • Dual-stage actuator for precise head positioning
  • 550TB per year workload rating

Applications

  • High-density storage arrays
  • Enterprise backup and archiving
  • Scale-out storage infrastructure
Direct front view of Ultrastar Data Center SATA drive emphasizing clean design and branding

Maximum Durability with HelioSeal Technology

Incorporating Western Digital's proven HelioSeal technology, this drive maintains optimal internal environment for enhanced reliability. The sealed helium design reduces power consumption while enabling higher capacity and improved thermal characteristics. With a 2.5 million hour MTBF rating and comprehensive 5-year warranty, the DC HC320 delivers the longevity demanded by enterprise environments.

Technical Specifications

  • HelioSeal technology for optimal internal environment
  • 2.5 million hours MTBF rating
  • 8.8W typical operating power consumption

Applications

  • Software-defined storage deployments
  • Hyperscale computing environments
  • Enterprise NAS solutions

Product details

General Information
Manufacturer

Western Digital Corporation

Manufacturer Part Number

0B36404-20PK

Brand Name

HGST

Product Line

Ultrastar

Product Series

DC HC320

Product Model

HUS728T8TALE6L4

Product Name

8TB Ultrastar DC HC320 SATA HDD

Packaged Quantity

20

Product Type

Hard Drive

Technical Information
Storage Capacity

8 TB

Disk Format

512e

Drive Performance
Spindle Speed (rpm)

7200

Buffer

128 MB

Network & Communication
Wireless LAN

No

Interfaces/Ports
Drive Interface

SATA

Drive Interface Standard

SATA/600

Power Description
Operating Power Consumption

8.80 W

Physical Characteristics
Drive Type

Internal

Form Factor

3.5

Height

1

Width

4

Depth

5.8

Weight (Approximate)

1.43 lb

Miscellaneous
Environmentally Friendly

Yes

Environmental Certification

RoHS

Device Supported

Storage System
Server

Country of Origin

Thailand

Warranty
Limited Warranty

5 Year

Included in the Box

  • icon_list|hard drives|30 Drives Hard Drives icon

    Hard Drives

FAQs

What is the storage capacity and form factor of the HGST Ultrastar DC HC320?
The HGST Ultrastar DC HC320 (HUS728T8TALE6L4) offers 8TB of storage capacity in a 3.5-inch form factor. This enterprise-class internal hard drive is designed for data center use and provides substantial storage space while maintaining standard physical dimensions of 1" height, 4" width, and 5.8" depth.
What is the drive's interface and transfer speed?
The drive features a SATA interface with SATA/600 (6Gb/s) standard connectivity. Combined with its 7200 RPM spindle speed and 128MB buffer, this configuration enables efficient data transfer rates suitable for enterprise storage environments.
What is the workload rating and reliability of this drive?
The Ultrastar DC HC320 is designed with a high workload rating of up to 550TB per year, which is 10 times higher than typical desktop drives. It offers exceptional reliability with up to 2.5 million hours MTBF (Mean Time Between Failures) and is built for 24x7x365 operation in demanding storage environments.
What technology does the drive use to protect against vibration?
The drive employs Enhanced Rotational Vibration Safeguard (RVS) technology, which uses sophisticated electronics to monitor and correct both linear and rotational vibrations in real-time. This feature significantly improves performance in high-vibration environments compared to traditional desktop drives.
What is HelioSeal Technology and how does it benefit this drive?
HelioSeal Technology is Western Digital's proprietary technology that enables higher capacities and lower power consumption in large storage arrays. This 5th generation proven technology has been implemented in over 30 million drives, delivering improved capacity, reliability, and power efficiency. It's particularly crucial for drives with 10TB capacities and above.

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